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Configuration Element (DTA)

Specifies a user-specified configuration consisting of existing and hypothetical physical design structures for the Database Engine Tuning Advisor to analyze when tuning a workload.

Syntax

<DTAInput>
    <Server>...</Server>
    <Workload>...</Workload>
    <TuningOptions>...</TuningOptions
    <Configuration [SpecificationMode="Relative" | "Absolute"]>
    ...code removed here...
    </Configuration>
</DTAInput>

Element Attributes

Configuration Attribute

Description

SpecificationMode

Optional. Specifies whether Database Engine Tuning Advisor should analyze the specified configuration in relation to the current existing configuration, or as a completely new, standalone one. Use a string data type to specify this attribute with one of the following allowed values:

Allowed ValueDescription
Relative
Evaluates the specified configuration in relation to the current existing configuration of physical design structures (indexes, indexed views, partitioning) in the database that is being tuned. For example: 
<Configuration SpecificationMode="Relative">
Absolute
Evaluates the specified configuration as a standalone configuration. When Absolute is specified, Database Engine Tuning Advisor does not consider the existing configuration. For example: 
<Configuration SpecificationMode="Absolute">

Element Characteristics

Characteristic

Description

Data type and length

None.

Default value

None.

Occurrence

Optional. Can use once for each DTAInput element.

Element Relationships

Relationship

Elements

Parent element

DTAInput Element (DTA)

Child elements

Server Element for Configuration (DTA)

Example

For a usage example of this element, see the XML Input File Sample with User-specified Configuration (DTA).